amide

American  

[am-ahyd, -id] / ˈæm aɪd, -ɪd /

noun

Chemistry.

1. a metallic derivative of ammonia in which the −NH 2 group is retained, as potassium amide, KNH 2 .

2. an organic compound obtained by replacing the −OH group in acids by the −NH 2 group.

3. an organic compound formed from ammonia by replacing a hydrogen atom by an acyl group.

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amide British  

/ ˈæmaɪd, əˈmɪdɪk /

noun

1. any organic compound containing the functional group -CONH 2

2. (modifier) consisting of, containing, or concerned with the group -CONH 2

   amide group or radical

3. an inorganic compound having the general formula M(NH 2 ) x , where M is a metal atom

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amide Scientific  

/ ăm′īd′ /

1. Any organic compound containing the group CONH ₂, derived from a fatty acid by replacing the hydroxyl group (OH) of the carboxyl group (COOH) with an amino group (NH ₂). Amides are volatile solids.

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Other Word Forms

• amidic adjective

Etymology

Origin of amide

First recorded in 1840–50; am(monia) + -ide ( def. )

Example Sentences

The rotational properties were enabled by adding molecular components that contained an atom from the 'chalcogen' group of elements in the periodic table, specifically sulfur or selenium, to a simple organic molecule: an amide compound.

From Science Daily • Feb. 28, 2024

Normally, they are broken down by an enzyme called fatty acid amide hydrolase, or FAAH.

From The New Yorker • Jan. 6, 2020

Write the Lewis structures of all isomers with the formula C3H7ON that contain an amide linkage.

From Textbooks • Feb. 14, 2019

When the serine or cysteine residue of an enzyme is replaced by DAP, the corresponding ester or thioester linkage in the acyl-enzyme intermediate is replaced by an amide linkage.

From Nature • Dec. 11, 2018

It is the acid amide of oxalic acid.

From The Gutenberg Webster's Unabridged Dictionary Section M, N, and O by Project Gutenberg